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THERMOSTATS

LINE VOLTAGE

THERMOSTATS

1A11-2

1A11-2 LIGHT DUTY FAN COIL THERMOSTAT

For Direct Control of Line Voltage Valves and/or Blower Motors on

Fan Coil Units Featuring Manual Changeover from Heat to Cool and a

3-Speed Fan Switch, Subbase Included

FEATURES

• Mounts to a standard vertical outlet box or on a two-gang outlet box. May also be

mounted on a 4

x 4

junction box with an adapter (not provided).

• Wiring color coded for ease of installation.

• 3-speed manual fan switch: High – Medium – Low.

• System Switch: Heat – OFF – Cool. “OFF” breaks both valve and fan circuits.

• Beige color.

SPECIFICATIONS

Dimensions . . . . . . . . . . . 4

1

/

2

H x 4

1

/

2

W x 2

1

/

4

D

Agency . . . . . . . . . . . . U.L. listed and C.S.A. approved

PARTS AND ACCESSORIES

See end of thermostats section for additional parts and accessories

• Thermostat Guards — see pages 34–35

Model

Number

Range Differential

Switch

Action

Contact Ratings

Pilot Duty

Motor Ratings (inductive) Full Load

Motor Ratings (inductive) Locked Rotor 120/240

1A11-2

36 to 90°F

(2 to 32°C)

1.5˚F SPDT

120 VAC

240 VAC 277 VAC 120 VAC 240 VAC 277 VAC 277 VAC

5.5A

2.75A

2.3A

33.0A

16.5A

13.8A

120A

TAN

BLUE

COOL

COOL

HEAT

HEAT

VALVE

(SOL)

L1*

(HOT) GND

HIGH

HIGH

FAN

SWITCH

SYSTEM

SWITCH

MED

FAN

MED

OFF

LOW

LOW

RED

BLUE

RED

ORANGE

BLACK

GREEN

1A11-2

5-wire with ground, for single valve,

manual heat/cool changeover

CUSTOMER

CONNECTIONS

Note: Above FAN and SYSTEM switches shown in

MED and HEAT positions respectively

THERMOSTAT

SCHEMATIC

*L1 is Power In

– Thermostat cycles both fan and valve

– Thermostat cycles fan only (if valve is not used tape orange lead)

– System "OFF" breaks both valve and fan circuits

– Thermostat cycles valve only with continuous fan (interchange valve and L1 leads)

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